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One way is to consult a copy of "The Periodic Table of the Elements". Great Q'n!

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Q: What if mass number is 7 how do you determine proton and neutron?
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Related questions

how to get the number of neutron?

Mass no-the no of proton=no of neutron


What type of particle has an atomic number of 1 and a mass number of 1?

Of the common sub-atomic particles, both the proton and the neutron have mass numbers of 1.


Which particle has a mass that is approximately the same as the mass of a proton?

the neutral or no charge particle of an atom:it is located in the nucleus;has the same mass as the proton.


What is the mass number of a neutron and a proton in hydrogen?

1 and 1


When dealing with the mass number why do you leave out the electrons?

Bcoz mass no is no of proton + no of neutron


Which particle determines the atomic number of an element?

The atomic number of an element is determined by the number of protons.


How does the mass of a electron compare to the mass of a proton and neutron?

Mass ratio proton (neutron)/electron: 1 836


How does the mass of a proton compare to the mass of a neutron and an electron?

Mass ratio proton (neutron)/electron: 1 836


What is the mass of an electron compared to the mass of a proton or neutron?

Mass ratio proton (neutron)/electron: 1 836


What is equal to mass of a proton?

The mass of a proton is equal to a neutron.


What is the formula for the atomic number?

atomic number = number of proton in an element number of proton = number of electron mass number = number of proton + number of neutron therefore... atomic number = mass number - number of neutrons


If a proton had a mass of 1 what is the mass of an electron and neutron relative to the mass of the proton?

If a proton would be 1, an electron would be 0.000544. An electron is 1,836 times lighter than a proton. A neutron would be 1.001 as a proton is 99.86% the mass of a neutron